It is just <fcntl.h>, don't use legacy (non-POSIX) path that is still supported

by most Unix platforms, but not all.

(this also makes the code consistent with usage everywhere else in the CUPS
code base)

Fixes: 388

Author: michaelrsweet

CHANGES.md

@@ -28,6 +28,7 @@ Changes in CUPS v2.4.2 (TBA)
 - Updated the configure script to look for the OpenSSL library the old way if
   pkg-config is not available (Issue #375)
 - Fixed the prototype for the `httpWriteResponse` function (Issue #380)
+- Brought back minimal AIX support (Issue #389)
 - `cupsGetResponse` did not always set the last error.
 - Fixed a number of old references to the Apple CUPS web page.
 - Restored the default/generic printer icon file for the web interface.

configure

@@ -7720,6 +7720,20 @@ fi
 	DSOXX="\$(CXX)"
 	DSOFLAGS="$DSOFLAGS -Wl,-no_warn_inits -dynamiclib -single_module -lc"
      ;; #(
+  aix*) :
+
+	LIBCUPS="lib$cupsbase.so.2"
+	if test "x$cupsimagebase" != x
+then :
+
+	    LIBCUPSIMAGE="lib$cupsimagebase.so.2"
+
+fi
+	DSO="\$(CC)"
+	DSOXX="\$(CXX)"
+	DSOFLAGS="$DSOFLAGS -Wl,-G -o \`basename \$@\`
+	LDFLAGS="$LDFLAGS $TLSFLAGS -liconv -lz -lm"
+     ;; #(
   *) :
 
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: Warning: Shared libraries may not work, trying -shared option." >&5

tools/ippeveprinter.c

@@ -27,10 +27,10 @@
 #endif /* !CUPS_LITE */
 
 #include <limits.h>
+#include <fcntl.h>
 #include <sys/stat.h>
 
 #ifdef _WIN32
-#  include <fcntl.h>
 #  include <io.h>
 #  include <process.h>
 #  define WEXITSTATUS(s) (s)
@@ -41,7 +41,6 @@ typedef ULONG nfds_t;
 extern char **environ;
 
 #  include <spawn.h>
-#  include <sys/fcntl.h>
 #  include <sys/wait.h>
 #  include <poll.h>
 #endif /* _WIN32 */